36500DWT散貨船型線繪制及靜水力計算過程案例目錄TOC\o"1-3"\h\u75736500DWT散貨船型線繪制及靜水力計算過程案例 1102371.1型線圖的繪制 1117821.2靜水力曲線圖的繪制 41.1型線圖的繪制1）主尺度改造當新船與母型船的主尺度不同時，需用線性變換做尺度變換，換算公式如（3-1）～（3-3）[1]所示。（3-1）（3-2）（3-3）式中，帶有下標“o”者為母型船尺度。2）橫剖面繪制由式（3-1）～（3-3）[1]得到船寬、船長、船高的比例因子分別為：將母型船的橫剖面圖的X方向乘以KB，Y方向乘以Kd得到新船的初步橫剖面圖。然后根據(jù)由初步橫剖面圖繪制出的半寬水線圖各站的半寬及縱剖線圖每一站的高度值繪制出最終的橫剖面圖。水線間隔及縱剖線間隔均與母型船相同都為2000mm。所繪制的橫剖面圖如圖2-1所示。詳細橫剖面圖見附錄F。圖2-1橫剖線圖3）半寬水線圖繪制測量新船初步橫剖面上各站每一條水線的半寬值見附錄G，根據(jù)所測量數(shù)據(jù)繪制半寬水線圖如圖2-2、2-3所示。詳細半寬水線圖見附錄F圖2-2半寬水線圖a圖2-3半寬水線圖b4）縱剖面圖繪制測量橫剖面圖各站線與縱剖線交點的高度值，并在半寬水線圖上確定出每條水線與縱剖線的交點，該交點縱向坐標就是縱剖線圖上縱剖線與水線交點的縱向坐標，根據(jù)所測量的數(shù)據(jù)，依次描點繪制出每條縱剖線。若縱剖面的型線出現(xiàn)不光順的現(xiàn)象則要微調(diào)半寬水線圖上水線的形狀，再繪制縱剖線，而且還要根據(jù)繪制出的半寬水線圖、縱剖線圖繪制出橫剖線圖。在初步分艙時就決定了新船的首尾輪廓線模仿母型船進行繪制。因此首尾輪廓線用母型船的首尾輪廓線進行船長以及吃水方向的線性變化得到。繪制縱剖面圖如圖2-4、2-5所示。詳細縱剖面圖見附錄F。圖2-4縱剖線圖a圖2-5縱剖線圖b1.2靜水力曲線圖的繪制1）靜水力曲線計算根據(jù)文獻[9]船舶在靜止狀態(tài)下的浮態(tài)和初穩(wěn)性計算問題，編制電子表格，計算結(jié)果如表2-1、2-2所示。表2-1靜水力曲線計算結(jié)果水線號船底線2214.365.86————————21.70500WL2825.955.361260.081299.335.580.2528.971000WL3024.915.352721.792807.615.460.5231.012000wl3290.385.245880.446063.625.371.0533.734000wl3561.935.0412733.7513130.415.251.1036.526000wl3765.973.0120061.6520687.604.793.1638.608000wl3941.33-0.0527769.9628634.993.864.2240.4010000wl4107.82-3.3035819.1136934.881.615.3041.1112000wl4205.41-5.1744131.3445507.061.326.3743.1114000wl4237.20-5.7552574.9554211.660.237.4443.4316000wl4291.56-5.2361103.7163007.09-0.578.4943.99表2-2靜水力曲線計算結(jié)果水線號船底線——————0.492———————500WL93.402791.59207.270.6270.9230.5590.6060.8921000WL48.641507.14241.800.6720.9490.6040.6370.9002000WL25.90843.42291.240.7300.9700.6530.6730.8944000WL13.58474.36355.920.7910.9850.7070.7170.8936000WL9.35348.85411.390.8360.9900.7420.7500.8888000WL7.15286.88469.410.8750.9930.7710.7760.88110000WL5.79251.11529.980.9120.9940.7950.8000.87212000WL4.84218.71568.740.9340.9950.8160.8200.87514000WL4.13187.42580.600.9410.9960.8340.8370.88616000WL3.63166.66600.040.9530.9960.8480.